package com.journaldev.java8.time;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.Month;
import java.time.ZoneId;
import java.time.ZoneOffset;

public class LocalDateTimeExample {

	public static void main(String[] args) {
		
		//Current Date
		LocalDateTime today = LocalDateTime.now();
		System.out.println("Current DateTime="+today);
		
		//Current Date using LocalDate and LocalTime
		today = LocalDateTime.of(LocalDate.now(), LocalTime.now());
		System.out.println("Current DateTime="+today);
		
		//Creating LocalDateTime by providing input arguments
		LocalDateTime specificDate = LocalDateTime.of(2014, Month.JANUARY, 1, 10, 10, 30);
		System.out.println("Specific Date="+specificDate);
		
		
		//Try creating date by providing invalid inputs
		//LocalDateTime feb29_2014 = LocalDateTime.of(2014, Month.FEBRUARY, 28, 25,1,1);
		//Exception in thread "main" java.time.DateTimeException: 
		//Invalid value for HourOfDay (valid values 0 - 23): 25

		
		//Current date in "Asia/Kolkata", you can get it from ZoneId javadoc
		LocalDateTime todayKolkata = LocalDateTime.now(ZoneId.of("Asia/Kolkata"));
		System.out.println("Current Date in IST="+todayKolkata);

		//java.time.zone.ZoneRulesException: Unknown time-zone ID: IST
		//LocalDateTime todayIST = LocalDateTime.now(ZoneId.of("IST"));
		
		//Getting date from the base date i.e 01/01/1970
		LocalDateTime dateFromBase = LocalDateTime.ofEpochSecond(10000, 0, ZoneOffset.UTC);
		System.out.println("10000th second time from 01/01/1970= "+dateFromBase);

	}

}
